All speech is inciting....hatred and love are merely two of the emotions that speech is supposed to inflame.
If you ban speech that incites hatred you will limit my ability to decry Nazis everywhere, and even make it difficult (in the face of some civil rights lawyer somewhere) to profess my admiration of a concept such as love or peace, for fear of "inciting" someone to some type of emotion.
If a person says that they hate "niggers, kikes, spics, chinks and especially the damned micks"...then that's protected speech under the US constitution, and most other free nations in the world. It may not be acceptable in polite company (indeed I expect to be castigated for using any of those words even in a purely descriptive tense....by someone), but it is legal. The college campuses that ban such speech are inviting a serious constitutional challenge.
However, if I were to say "Hey....I want you to go murder a couple of people...here's $20,000....and here is what they look like and where they are going to be tomorrow at 6pm" then I am conspiring to commit an illegal act and should be arrested. If a person announces that they are going to take up arms against the United States and they exhort you to do the same, they may be guilty of sedition or treason, but they are not forbidden from saying the words...only the actions they commit.
As a matter of fact the only legal instances, as defined by the Supreme Court of the US, where speech can be curtailed is when it is in the interest of the People for military or judicial purposes, or when it presents an immediate danger to others i.e. shouting fire in a crowded theater thus causing a stampede (taken from one of the many large cinema fires in the US prior to strict fire codes) where people are killed by panic and riot. Inciting to riot has been upheld as well.
So the question we have to ask is this....is this man saying that all Jews should be killed and that the executions should start tomorrow at 0900? Or is he saying that Hitler had the right idea, in which case he bears watching to see what he does next?
I truly believe that the more limits we place on our speech, the more limits we will suffer. Simplistic but true.
I hope my earlier use of the ethnic and racist slurs did not offend anyone, but there is a point to be made here. Freedom means that we allow that which we don't like sometimes to ensure that we can exercise our own rights that others may not like.
Is my Pan Am ticket to the moon still good?